Dongfang Electric Corporation Ltd (DEC) is a power equipment and services company. It develops, designs, manufactures and sells equipment for hydro, thermal, nuclear, wind, steam, and solar thermal-based plants. Its major products include hydropower units, thermal power generating units, heavy-duty gas turbine equipment, nuclear power units, wind power equipment and large chemical containers, environmental protection and water treatment equipment. 

DEC also provides construction contracting and other related services to electricity operators; and portion project, equipment package contracting, and equipment supply. The company serves customers in China and overseas.